…container-counts

* PaulJuliusMartinez/main: (57 commits)
  Add [sexp] feature and :writesexp function to write input to a file as a sexp.
  Add :write <file> (and :write!) commands for writing input to a file.
  Ctrl-z now suspends jless.
  Update Arch Linux package URL in README.md (PaulJuliusMartinez#139)
  Fix a few spelling mistakes.
  Still under development, but not very active; a little haphazard to be honest. I definitely don't stream on Twitch anymore.
  Add clarifying note to RELEASE_CHECKLIST.md because I messed up the first time.
  Move `cargo install jless` to the Installation table proper (PaulJuliusMartinez#122)
  v0.9.0 Release
  Add 'C' and 'E' commands to deeply collapse/expand nodes.
  Return non-zero exit code on parse errors (PaulJuliusMartinez#98)
  Add short flags for enabling/disabling absolute/relative line numbers: -n/-N/-r/-R.
  Use --line-numbers and --relative-line-numbers as the names of the flags, instead of "--number" and "--relative-number".
  Enable line numbers by default (had to upgrade clap to 4.0 in the process).
  Update CHANGELOG
  Support jumping to line numbers (with auto-expand) with <n>g and <n>G.
  Invert styling on array indexes when focused to make the focused line stand out more.
  Don't forget to subtract space used for indicators from available space.
  Add "set number/relativenumber" commands.
  Update Rust version in Github CI workflow.
  ...